The document discusses 5 common file formats used in photography: JPEG, which supports many colors and compression levels for web uploading; GIF, an often animated format used on websites that uses LZW compression; TIFF, commonly used for exchanging scanner images; BMP, a bitmap format that stores raster graphics independently of the display device; and RAW, the digital equivalent of a film negative containing raw pixel data straight from a camera's sensor with one color value per pixel.